America's Most Endangered Rivers is a list of threatened rivers in the United States compiled by the nonprofit group American Rivers. First published in 1984, the annual list spotlights ten threatened
The Colorado River has been named America's Most Endangered River seven times.
Warning sign on the Potomac River posted during the 2026 sewage spill
The Ice Harbor Dam is one of four dams on the Lower Snake River causing it to top the 2021 list.
Friant Dam diverting much of the San Joaquin River into irrigation canals. Water mismanagement led to the San Joaquin topping the 2014 list.
Klehini River
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The Klehini River is a large, glacially fed stream in the vicinity of Haines in the U.S. state of Alaska.
America's Most Endangered Rivers
…River MS Dredging, dams 4 Snake River ID, OR, WA Dams 5 Clark Fork River MT Pollution 6 Eel River CA Dams 7 Lehigh River PA Development 8 Chilkat and Klehini Rivers AK Mining 9 Rio Gallinas NM Climate change, mismanagement 10 Okefenokee Swamp GA, FL Mining 2022 rivers On April 19, 2022, American Rivers announced…
Near mile 27 of the Haines Highway
Uppermost cataract of Klehini Falls